The good: The Lenovo IdeaPad Yoga 13 looks as good as any 13-inch ultrabook, with the added attraction of a 360-degree screen and a laptop body that can fold into a tent, stand, or slate.The bad: Tablet mode leaves the keyboard exposed, and the Yoga 13 costs more than standard ultrabooks with similar components.The cost: $1,099 to $1,213.99The bottom line: The Lenovo IdeaPad Yoga 13 is a convertible touch-screen laptop/tablet that most importantly doesn't compromise the traditional laptop experience.

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The good: The 13-inch MacBook Air has new Intel CPUs, better battery life, and an improved 720p Webcam, and finally adds USB 3.0 ports, while shaving $100 off the price of last year's models.The bad: The design, while strong, stays largely the same: there's no Ethernet port, and the base SSD storage option of 128GB is smaller than a standard hard drive, though common for ultrabooks.The cost: $1,124.95 to $1,199.99The bottom line: This year's MacBook Air opts for gradual improvements rather than anything revolutionary, but lowered prices continue to make it the go-to mainstream recommendation for any MacBook owner-to-be.